#include <iostream>
#include <string>
#include <cassert>
#include <vector>

using namespace std;
pair<int,int> query(string s){
    cout << "? " << s << endl;
    int h,b; cin >> h >> b;
    return {h,b};
}

void ans(string s){
    cout << "! " << s << endl;
    int x; cin >> x;   
}

void solve(){
    int i,j;
    pair<int,int> p = query("0123");
    if(p.first + p.second==4){
        vector<string> v = {"0213","0312","0321","1023","1230"};
        string st;
        for(auto s:v){
            auto [h,_] = query(s);
            if(h==4) st = s;
        }
        ans(st);
    }else if(p.first + p.second==3){
        if(p.first==3){
            string s = "0x23";
            string st = "0923";
            for(i=4;i<9;i++){
                s[1] = (char)('0' + i);
                auto [h,_] = query(s);
                if(h==4) st = s;
            }
            ans(s);
        }else if(p.second==3){
            string s = "120x";
            string st = "1209";
            for(i=4;i<9;i++){
                s[3] = (char)('0' + i);
                auto [h,_] = query(s);
                if(h==4) st = s;
            }
            ans(s);
        }else{
            vector<string> s = {"0x12","0x13","0x21","0x31","10x3"};
            string st;
            char num = '9';
            for(i=4;i<9;i++){
                string ss = s[i - 4];
                char c = (char)('0' + i);
                for(j=0;j<ss.size();j++){
                    if(ss[j]=='x') ss[j] = c;
                }
                auto [h,b] = query(ss);
                if(h + b==4){
                    num = c;
                    if(h==4) st = s[i - 4];
                }else if(h==3){
                    st = s[i - 4];
                }
            }
            for(i=0;i<4;i++){
                if(st[i]=='x') st[i] = num;
            }
            ans(st);
        }
    }else if(p.first + p.second==2){
        auto [h1,b1] = query("0435");
        auto [h2,b2] = query("0637");
        int c1 = h1 + b1 - 1,c2 = h2 + b2 - 1,c3 = 2 - c1 - c3;
        string X = "",Y = "";
        if(c1==2) X = "46", Y = "57";
        if(c2==2) X = "46", Y = "57";
        if(c3==2) X = "48", Y = "89";
        if(c1==1 && c2==1) X = "45", Y = "67";
        if(c1==1 && c3==1) X = "45", Y = "89";
        if(c2==1 && c3==1) X = "67", Y = "89";
        string ss = "0x3y";
        ss[1] = X[0]; ss[3] = Y[0];
        auto [h4,b4] = query(ss);
        ss[1] = X[0]; ss[3] = Y[1];
        auto [h5,b5] = query(ss);
        int c4 = h4 + b4 - 1,c5 = h5 + b5 - 1;
        string st = "0x1y";
        if(c4==2){
            if(h4==2) st[1] = X[0], st[3] = Y[0];
            else st[1] = Y[0], st[3] = X[0];
        }else if(c5==2){
            if(h5==2) st[1] = X[0], st[3] = Y[1];
            else st[1] = Y[1], st[3] = X[0];
        }else{
            if(c4<c5){
                if(h5>=2) st[1] = X[1], st[3] = Y[1];
                else st[1] = Y[1], st[3] = X[1];
            }else{
                if(h4>=2) st[1] = X[1], st[3] = Y[0];
                else st[1] = Y[0], st[3] = X[1];
            }
        }
        auto [h6,b6] = query(st);
        if(h6!=4) st[2] = '2';
        ans(st);
    }else{
        assert(false);
    }
}
int main(){
    int i,t; cin >> t;
    while(t){
        t--;
        solve();
    }
}